Operation Manual

OM-E 2072-09287-00
1-9
Connectors
Table 1-3. DATA Connector, Pin Functions
Pin Description
1 Not connected
2 Serial control communication transmit output (to RADIO connector)
3 Serial control communication receive input (to RADIO connector)
4 Not connected
5 Ground line
6 Serial data communication transmit output (to RADIO and MODEM connectors)
7 Serial data communication receive input (to RADIO and MODEM connectors)
Table 1-4. AUDIO Connectors, Pin Functions
Pin Description
A Ground line
B Receive audio output to external speaker
C Activates transmission by short to ground
D
Input audio signals generated by the microphone (600 Ω
impedance; 6 mV tone is required for full output power)
E
Receive audio output (600 Ω) to earphone
F Power output to microphone